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Data as of Nov 7, 2026

38.18.136.0/21

19 residential-proxy exits · 30 days

QWK.net Hosting, L.L.C. · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS40281
Type
Hosting

Residential-proxy exits

Proxy exits
19
0.93% of its addresses · 30 days
Always-on exits
4
21% of its exits
Spread
8 of 8
/24s with at least one exit
Providers
49
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

12K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
38.18.142.0/2426
38.18.137.0/2414
38.18.139.0/2412
38.18.138.0/2402
38.18.143.0/2402
38.18.136.0/2401
38.18.140.0/2401
38.18.141.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • B2Proxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • Decodo
  • EZProxies
  • EnigmaProxy
  • FastProxy
  • FlexyProxies
  • GSocks
  • Geonix
  • GloryCloud
  • GonzoProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • Kookey
  • LemonBright
  • LemonLabs
  • LudaxProxy
  • MangoProxy
  • NextProxy
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • ZENPROXY_LITE

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
38.0.0.0/8AS174Internet providerIP broker Rackdog (part)404,266
78,035 always on
Cogent Communications, LLC
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
38.18.136.0/24
since Jun 2019
AS40281Hosting1Cogent Communications, LLC
38.18.137.0/24
since Aug 2019
AS40281Hosting4
1 always on
Cogent Communications, LLC
38.18.138.0/24
since Sep 2019
AS40281Hosting2Cogent Communications, LLC
38.18.139.0/24
since Dec 2019
AS40281Hosting2
1 always on
Cogent Communications, LLC
38.18.140.0/24
since Jun 2020
AS40281Hosting1Cogent Communications, LLC
38.18.141.0/24
since Sep 2020
AS40281Hosting1Cogent Communications, LLC
38.18.142.0/24
since Oct 2020
AS40281Hosting6
2 always on
Cogent Communications, LLC
38.18.143.0/24
since Nov 2020
AS40281Hosting2Cogent Communications, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
38.0.0.0/816,777,216COGENT-ACogent Communications, LLC (COGC) · USDirect AllocationApr 16, 1991abuse@cogentco.com
└ 38.18.136.0/212,048QWKNET-CGNT-NET-2QWK.net Hosting, L.L.C. (QHL) · USReassignedJun 5, 2019admin@qwknetllc.com

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
38.0.0.0/8
Registration type
Direct Allocation
Record created
Apr 16, 1991
Legacy
yes
Origin network

AS40281

US
Name
QWK.net Hosting, L.L.C.
Type
Hosting
Registered
Oct 13, 2006
Domain
qwk.net
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed